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A comment on Why we're blind to the color blue. Parent comment

Re:Why we're blind to the color blue by jbluepolarbear on Friday July 16, 2021 @05:10PM (#27861264)
Because nearly every person has some amount of astigmatism.
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Re:Why we're blind to the color blue by borski on Friday July 16, 2021 @05:42PM (#27861562)
Sure, but presumably the parent has been checked by their eye doctor and indeed, not everyone has it.

Signed, a dude with very slight astigmatism :)

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